LONDON, ENGLAND - JUNE 15:  Members of the Queen's Guard and the Household Cavalry during the Trooping Of The Colour at Horse Guards Parade on June 15, 2013 in London, England. Today's ceremony which marks the Queens official birthday will not be attended by Prince Philip the Duke of Edinburgh as he recuperates from abdominal surgery and will also be The Duchess of Cambridge's last public engagement before her baby is due to be born next month.  (Photo by Bethany Clarke/Getty Images)
{}